1 - Download the game save backup at Download files and extract it.
2 - Close the game, even from multitask.
3 - Put the documents folder in the 「Animal Park Tycoon\Documents」 using (iFile, DiskAid, iFunBox...) or other apps.
4 - It will ask you to replace the old documents folder, do so.
5 - Launch the game and enjoy.